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Shelf Acetabuloplasty With 3D Printed Implants as a New Treatment for Symptomatic Adult Hip Dysplasia

NCT07072832 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2025-10-07

No results posted yet for this study

Summary

Hip dysplasia is a common orthopedic condition, defined as an abnormality in the shape, size and orientation of the femoral head, acetabulum or both. The most frequent presentation of hip dysplasia is the maldevelopment of the acetabulum, resulting in insufficient superior coverage of the femoral head, defined as a lateral center-edge angle (Wiberg) of less than 20 degrees. Patients suffer from groin pain, an abnormal gait, decreased strength, and an increased rate of degenerative hip disease.

The possible treatments affecting the shape of the acetabulum once the patient reaches adolescence are all surgical. The PAO is regarded as the current gold standard in the treatment of symptomatic adult hip dysplasia. The 3-dimensional orientation of the acetabulum is changed with the use of 3 osteotomies around the acetabulum and a refixation in the obtained position. However, the PAO is a difficult operation and is associated with a large number of major complications (up to 37%), and the surgery is associated with a long rehabilitation period.

Hence, a strong unmet need exists for an effective but less invasive solution that enhances the quality of life of adult hip dysplasia patients. The treatment gap can be filled with a 3-dimensional (3D) shelf procedure. This custom-made implant (called the 3D-Shelf implant) was developed with the goal to be more predictable in terms of containment and fit than the old autologous shelf-acetabuloplasty, and less invasive and easier to perform than the PAO.

This study aims to study the safety and evaluate the early performance in terms of the clinical outcomes after implantation of the 3D-Shelf implant in patients with adult hip dysplasia, to show that the 3D-Shelf procedure is safe, has lower complication rates, and shows no inferiority in clinical outcomes compared to the current treatment of a peri-acetabular osteotomy.

Conditions

  • Hip Dysplasia

Interventions

DEVICE

3D-Shelf

Treatment of hip dysplasia using novel 3D printed 3D-Shelf device.

Sponsors & Collaborators

  • Replasia BV

    lead INDUSTRY

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Max Age
45 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-08-08
Primary Completion
2028-02-01
Completion
2028-02-29

Countries

  • Netherlands

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07072832 on ClinicalTrials.gov